Home / 207,918.76-311,916.62-65,799.76

Finding the Fourth Proportional to 207,918.76, 311,916.62 and 65,799.76

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Solution

The fourth proportional to 207,918.76, 311,916.62 and 65,799.76 is: 98,711.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,918.76 : 311,916.62 = 65,799.76 : x
  2. Step 2: Convert to fraction form
    207,918.76/311,916.62 = 65,799.76/x
  3. Step 3: Cross multiply
    207,918.76x = 311,916.62 × 65,799.76
  4. Step 4: Simplify right side
    207,918.76x = 20,524,038,736.01
  5. Step 5: Solve for x
    x = 20,524,038,736.01/207,918.76
  6. Step 6: Final answer
    x = 98,711.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.